We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissible in your locale.

Subject / Started by Last post
0 Replies
479 Views
Last post August 21, 2022, 1943 UTC
by Misti-Radio
1 Replies
479 Views
Last post December 25, 2022, 1937 UTC
by Mad Radio DXer UK
1 Replies
479 Views
Last post October 06, 2022, 1711 UTC
by Ray Lalleu
0 Replies
478 Views
Last post February 13, 2022, 2055 UTC
by Ray Lalleu
0 Replies
478 Views
Last post April 25, 2022, 2115 UTC
by Ray Lalleu
0 Replies
478 Views
Last post May 21, 2022, 0915 UTC
by Misti-Radio
0 Replies
478 Views
Last post December 25, 2023, 2334 UTC
by TRI International
0 Replies
478 Views
Last post October 26, 2023, 1751 UTC
by europirate
0 Replies
477 Views
Last post June 29, 2022, 2132 UTC
by Ray Lalleu
0 Replies
477 Views
Last post July 03, 2022, 2145 UTC
by Ray Lalleu
0 Replies
477 Views
Last post October 19, 2023, 2102 UTC
by europirate
0 Replies
477 Views
Last post August 02, 2022, 2129 UTC
by Ray Lalleu
0 Replies
477 Views
Last post August 22, 2022, 2039 UTC
by Shortwave_Listener
1 Replies
477 Views
Last post December 03, 2022, 2123 UTC
by kris
1 Replies
477 Views
Last post November 04, 2022, 1418 UTC
by Shortwave_Listener
0 Replies
476 Views
Last post January 04, 2024, 1742 UTC
by FOX
0 Replies
476 Views
Last post December 07, 2022, 1354 UTC
by Kai
0 Replies
474 Views
Last post August 05, 2022, 2154 UTC
by Ray Lalleu
1 Replies
474 Views
Last post October 03, 2022, 2130 UTC
by Ray Lalleu
0 Replies
473 Views
Last post August 04, 2023, 0933 UTC
by TRI International

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns